simple pendulum [力] 单摆 ; 数学摆
law of simple pendulum vibration 根据单摆振动定律
the simple pendulum 关于单摆
damped simple pendulum 有阻尼单摆
以上来源于: WordNet
The WK pendulum clinometer is easy to use and invaluable for use in awkward locations. Simple to use, yet accurate to suit many applications.
我们生产的钟摆式倾斜仪使用简单，适用于大多数应用。
Do the tangential force, the mormal force, the resultant force and their directions during oscillation of a simple pendulum change?
那么单摆在振动过程中，切向力、法向力及合力的大小和方向是否在变化?。
To state the restoring force of a simple pendulum during oscillation is the resultant force of the gravity of the ball and the pulling force of the thread is wrong .
常出现一些模糊认识，即认为单摆在振动中所受的回复力就是摆球所受重力与绳子拉力的合力，显然，这是错误的。
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